diff --git a/roles/copr/backend/templates/resalloc/pools.yaml b/roles/copr/backend/templates/resalloc/pools.yaml
index 4605e4b879..652a9b137c 100644
--- a/roles/copr/backend/templates/resalloc/pools.yaml
+++ b/roles/copr/backend/templates/resalloc/pools.yaml
@@ -7,7 +7,7 @@ aws_{{ arch }}_{{ on_demand + '_' if on_demand is not none else '' }}{% if spot
     max_prealloc: {{ max_prealloc }}
 {% else %}
     max: 10
-    max_starting: 4
+    max_starting: 1
 {% endif %}
     tags:
     - name: copr_builder